<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
		<title>Document</title>
		<link href="//netdna.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" />
		<style>
			* {
				margin: 0;
				padding: 0;
			}
			body {
				display: flex;
				justify-content: center;
				align-items: center;
				height: 100vh;
				background: #2c3e50;
			}
			ul li {
				list-style: none;
			}
			.box li {
				float: left;
			}
			.box li {
				position: relative;
				margin: 0 15px;
				width: 50px;
				height: 50px;
				background: #2c3e50;
				border: 1px solid transparent;
				border-radius: 50%;
				font-size: 28px;
				line-height: 50px;
				text-align: center;
				color: #fff;
				transition: all 1s;
				/* z-index: 1; */
			}
			.box li:hover {
				cursor: pointer;
				/* color: #3498db; */
				border: 1px solid #2e86de;
			}
			.box li::before {
				display: none;
				content: '';
				position: absolute;
				left: -5px;
				top: -5px;
				width: 60px;
				height: 60px;
				border-radius: 50%;
				background: #2e86de;
				filter: blur(10px);
				z-index: -1;
			}
			.box li:hover::before {
				display: block;
			}
			.box li:hover i {
				text-shadow: 1px 1px 15px #2e86de;
			}
		</style>
	</head>
	<body>
		<div class="box">
			<ul>
				<li>
					<i class="fa fa-superpowers"></i>
				</li>
				<li>
					<i class="fa fa-linode"></i>
				</li>
				<li>
					<i class="fa fa-space-shuttle"></i>
				</li>
				<li>
					<i class="fa fa-spinner fa-spin"></i>
				</li>
			</ul>
		</div>
	</body>
</html>
